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Hippotat - Asinine IP Over HTTP program
Copyright 2017,2019-2022 Ian Jackson and contributors to Hippotat
The client and server are:
GPLv3+
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program, in the file GPLv3. If not,
see <http://www.gnu.org/licenses/>.
On a Debian system, the GNU General Public License v3 can be found in
/usr/share/common-licenses/GPL-3
Formalities
-----------
The licence is generally indicated in each file with an SPDX
delcaration; as is conventional, this should be read as a licence
grant.
Contributions to Hippotat are accepted based on the git commit
Signed-off-by convention, by which the contributors' certify their
contributions according to the Developer Certificate of Origin version
1.1 - see the file DEVELOPER-CERTIFICATE.
If you create a new file please be sure to add an appropriate licence
header, probably something like this:
// Copyright 2017-2022 Ian Jackson and contributors to Hippotat
// SPDX-License-Identifier: AGPL-3.0-or-later
// There is NO WARRANTY.
OpenSSL Licence Exception
-------------------------
Additional permission under GNU GPL version 3 section 7
[LicenseRef-Hippotat-OpenSSL-Exception]:
In addition, as a special exception, the copyright holders give
permission to link the code of this program with the OpenSSL
Library (or with modified versions of OpenSSL that use the same
license as OpenSSL 1.1), and distribute linked combinations
including the two.
BUT this does NOT apply to version 3.0 or any later version of the
OpenSSL library (nor to any modified versions thereof). (We make
this restriction because the exception is not needed with OpenSSL 3.)
FURTHERMORE to take advantage of this exception you must obey the
GNU Lesser General Public License (version 3, or, at your option,
any later version) in all respects for all of the code used other
than OpenSSL.
This additional permission is indicated in the source code with
the following SPDX licence declaration:
SPDX-License-Identifier: GPL-3.0-or-later WITH LicenseRef-Hippotat-OpenSSL-Exception
(which is roughly but not exactly in accordance with the SPDX spec.)
If you modify a file, you may extend this exception to your version of
the file, but you are not obligated to do so. If you do not wish to do
so, delete the exception statement from your version, changing it to:
SPDX-License-Identifier: GPL-3.0-or-later
The authors of Hippotat will probably withdrawn this exception in a
future versions of Hippotat, when OpenSSL 3.0 (which has a
GPLv3+-compatible licence) has become sufficiently widespread. But
that will not affect already-released versions of hippotat.
Licences of other code in the source tree
-----------------------------------------
The uml/ directory contains some currently non-functional test
arrangements. This is not currently used (or built or installed).
Within this directory there is:
test/via-cargo-install-in-ci
Originally copied from arti.git#7aacbc617ca62b0371a908b5edca9a10aa4d36fa
into derive-adhoc.git, where it was further modified.
We copied from derive-adhoc.git#c33a2b02ce0d2a7e2a318abec50e6eab8e7bf880
MIT License
Copyright 2019-2022, The Tor Project, Inc.
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without
restriction, including without limitation the rights to use, copy,
modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
uml/rndaddtoentcnt/
MIT License
Copyright (c) 2018 Jumpnow Technologies, LLC
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation files
(the "Software"), to deal in the Software without restriction,
including without limitation the rights to use, copy, modify, merge,
publish, distribute, sublicense, and/or sell copies of the Software,
and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
uml/psusan-*/
Contains an example by Simon Tatham taken from the PuTTY documentation.
PuTTY is copyright 1997-2022 Simon Tatham.
Portions copyright Robert de Bath, Joris van Rantwijk, Delian
Delchev, Andreas Schultz, Jeroen Massar, Wez Furlong, Nicolas Barry,
Justin Bradford, Ben Harris, Malcolm Smith, Ahmad Khalifa, Markus
Kuhn, Colin Watson, Christopher Staite, Lorenz Diener, Christian
Brabandt, Jeff Smith, Pavel Kryukov, Maxim Kuznetsov, Svyatoslav
Kuzmich, Nico Williams, Viktor Dukhovni, Josh Dersch, Lars
Brinkhoff, and CORE SDI S.A.
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation files
(the "Software"), to deal in the Software without restriction,
including without limitation the rights to use, copy, modify, merge,
publish, distribute, sublicense, and/or sell copies of the Software,
and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE
FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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